Patents by Inventor Van Chambers

Van Chambers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Disperse dye mixtures which have a high degree of light fastness and build-up
    Patent number: 8506654
    Abstract: A dye composition which contains a blue colored dye mixture which contains from 71 to about 90 wt % with respect to the total pigment fraction of a blue pigment which is represented by structural formula [1] wherein one of X1 and X2 represents NO2 and the other represents OH, from about 10 to about 30 wt % with respect to the total pigment fraction of two different blue pigments which are different and are represented by structural formula [2] wherein R1 represents —C3H6OCH3, —C3H6OC2H5 or —C3H6OC2H4OCH3.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: August 13, 2013
    Assignee: DyStar L.P.
    Inventors: Van Chambers, Lyle Burleyson, Ronald Pedemonte
  • DISPERSE DYE MIXTURES WHICH HAVE A HIGH DEGREE OF LIGHT FASTNESS AND BUILD-UP
    Publication number: 20120246843
    Abstract: A dye composition which contains a blue colored dye mixture which contains from 71 to about 90 wt % with respect to the total pigment fraction of a blue pigment which is represented by structural formula [1] wherein one of X1 and X2 represents NO2 and the other represents OH, from about 10 to about 30 wt % with respect to the total pigment fraction of two different blue pigments which are different and are represented by structural formula [2] wherein R1 represents —C3H6OCH3, —C3H6OC2H5 or —C3H6OC2H4OCH3.
    Type: Application
    Filed: March 29, 2011
    Publication date: October 4, 2012
    Applicant: DyStar L.P.
    Inventors: Van Chambers, Lyle Burleyson, Ronald Pedemonte
  • Process for dyeing polyester/cotton blends
    Patent number: 5693103
    Abstract: A single bath process for exhaust dyeing polyester and cotton fiber blends by the use of a fiber reactive, vinyl sulfone dye in admixture with a disperse dye under alkaline pH conditions.
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: December 2, 1997
    Assignee: Dystar, L.P.
    Inventors: Thomas Van Chambers, Christine Feuchtner
  • Condensation dyeing
    Patent number: 4121899
    Abstract: Fibers are dyed by applying an aqueous dyeing formulation to the fibers, cooling them and condensing halogenated hydrocarbon vapors upon the cool, wet fibers. Residual halogenated hydrocarbon is removed by exposing the fibers to heat.
    Type: Grant
    Filed: March 4, 1977
    Date of Patent: October 24, 1978
    Assignee: Milliken Research Corporation
    Inventors: Thomas Van Chambers, Julian J. Hirshfeld